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The Alliance of World Scientists (AWS) provides the collective international voice of thousands of scientists regarding the global climate crisis and environmental trends with the intent to turn accumulated knowledge into action.
The Scientist's Warning is a documentary film about a researcher who started a movement to encourage scientists to help turn scientific knowledge into action. It's the story of scientists all over the world awakening to the need to become advocates for the fate of the planet and the humans who depend on it. The full film can be viewed below and a trailer is available on Vimeo. Both scientists and citizens can get involved and help by scrolling down on this page.
As a class assignment, instructors can have students read the article World Scientists' Warning of a Climate Emergency 2022 and view this as a companion film The Scientists' Warning (35 min.).
|This film was produced by Oregon State Productions. See their website for details and information on other films.
A list of the crowdfunding supporters who helped fund the production is available here.
The Alliance of World Scientists’ (AWS) Planet Earth Award acknowledges individuals who champion life on Earth. These individuals demonstrate exceptional creativity or contributions in their work in science-based advocacy with the public, policymakers, or other non-scientist groups seeking solutions to environmental challenges.
What can YOU do about climate change? Take this quiz to find out.
Here is the scientists’ pledge that is in the film
World Scientists’ Warning of a Climate Emergency 2022 is a followup assessment of planetary vital signs with a focus on climate-related disasters and extreme weather (see articles in Forbes, The Daily Mail, and CBS News). Please help us promote the paper by sharing materials from our social media toolkit.
If you are a scientist, we invite you to join the Alliance of World Scientists by signing our Viewpoint article “World Scientists’ Warning of a Climate Emergency” by Ripple et al., which was recently published in BioScience Magazine. We welcome signatures of scientists from any scientific discipline, including graduate students in the sciences. Before signing, we ask that you view this short article by clicking the “Read the Article” tab below (the main text can be read in < 8 minutes), or read the condensed version directly below. When you click “sign the article” and add your name, you will be indicating that you generally agree with our article, helping get this message to world leaders. Note that signatories speak on their own behalf and not on behalf of their affiliated institutions. It may not be possible to sign the article using Internet Explorer, but other web browsers seem to be working. New signatures may take several weeks to appear in the list of signatories because each name will first need to be validated. Please only sign the article once.
Current number of signatories: 15,656 from 165 countries
World Scientists’ Warning of a Climate Emergency (Condensed Version)
William J. Ripple, Christopher Wolf, Thomas M. Newsome, Phoebe Barnard, William R. Moomaw
We scientists have a moral obligation to clearly warn humanity of any catastrophic threat. In this paper, we present a suite of graphical vital signs of climate change over the last 40 years. Results show greenhouse gas emissions are still rising, with increasingly damaging effects. With few exceptions, we are largely failing to address this predicament. The climate crisis has arrived and is accelerating faster than many scientists expected. It is more severe than anticipated, threatening natural ecosystems and the fate of humanity. We suggest six critical and interrelated steps that governments and the rest of humanity can take to lessen the worst effects of climate change, covering 1) Energy, 2) Short-lived pollutants, 3) Nature, 4) Food, 5) Economy, and 6) Population. Mitigating and adapting to climate change entails transformations in the ways we govern, manage, feed, and fulfill material and energy requirements. We are encouraged by a recent global surge of concern. Governmental bodies are making climate emergency declarations. The Pope issued an encyclical on climate change. Schoolchildren are striking. Ecocide lawsuits are proceeding in the courts. Grassroots citizen movements are demanding change. As scientists, we urge widespread use of our vital signs and anticipate that graphical indicators will better allow policymakers and the public to understand the magnitude of this crisis, track progress, and realign priorities to alleviate climate change. The good news is that such transformative change, with social and ecological justice, promises greater human wellbeing in the long-run than business as usual. We believe that prospects will be greatest if policy makers and the rest of humanity promptly respond to our warning and declaration of a climate emergency, and act to sustain life on planet Earth, our only home.
The Alliance of World Scientists (AWS)
The AWS is a new international assembly of scientists, which is independent of both governmental and non-governmental organizations and corporations. We submit, that in order to prevent widespread misery caused by catastrophic damage to the biosphere, humanity must practice more environmentally sustainable alternative to business-as-usual. Our vital importance and role comes from scientists' unique responsibility as stewards of human knowledge and champions of evidence-based decision-making. The main goal of the AWS is to be a collective international voice of many scientists regarding global climate and environmental trends and how to turn accumulated knowledge into action. Other organizations do laudable work toward this goal, but to our knowledge, AWS is the only independent, grass-roots organization comprised of scientists from around the world committed to the well-being of humanity and the planet. Dr. Bill Ripple and Dr. Chris Wolf serve as Director and Associate Director of the AWS respectively.
When you endorse the scientists’ warning article, you will have the option of including your email address for occasional communication or additional collaboration as part of the AWS.
For information about donating to our project, please contact Bill Ripple
The Ethics of Science
The end that science seeks is truth.
There are rules that must be followed in seeking the truth
which require trust, independence in observation and in thought.
Freedom, respect and tolerance are handmaidens to science.
Scientists acquire knowledge by small steps, none of which is final
and the mistakes of one generation of scientists are rungs in the ladder toward truth. The only purpose of seeking the truth is to accumulate knowledge which becomes the property of the world without respect to race, religion, nationality, political and sexual orientation or cultural beliefs. Science is unifying because it seeks answers which society ultimately hold as important.
-by William Stone, signatory of the second warning to humanity
Diversity and Inclusion
The Alliance of World Scientists is an inclusive group and all scientists are welcome to join when becoming signatories to the scientists’ warning article. Because we understand the complexity of identity and backgrounds of scientists throughout the world, we embrace the diversity of differences these scientists bring for solving environmental challenges. We now have 26,000 scientists from 180 countries as members of the Alliance of World Scientists.
World Scientists’ Warning to Humanity: A Second Notice is a followup to a previous scientists' warning to humanity, which shows how more progress is needed on environmental issues. According to the authors, "To prevent widespread misery and catastrophic biodiversity loss, humanity must practice a more environmentally sustainable alternative to business as usual. This prescription was well articulated by the world's leading scientists 25 years ago, but in most respects, we have not heeded their warning."
World Scientists’ Warning of a Climate Emergency is an assessment of planetary vital signs that has been endorsed by more than 14,000 scientist signatories. The authors present a holistic plan for addressing the climate emergency, dealing with (1) energy, (2) short-lived pollutants, (3) nature, (4) food, (5) economy, and (6) population.
World Scientists’ Warning of a Climate Emergency 2021 is an update to the previous climate emergency report. The authors "reaffirm the climate emergency declaration and again call for transformative change, which is needed now more than ever to protect life on Earth and remain within as many planetary boundaries as possible."
World Scientists’ Warning of a Climate Emergency 2022 is a followup assessment of planetary vital signs with a focus on climate-related disasters and extreme weather. Please help us promote the paper by sharing materials from our social media toolkit.
The 2023 state of the climate report: Entering uncharted territory provides an update on planetary vital signs, detailing how life on planet Earth is "under siege." Please help us promote this report by linking to it on social media.
Here are some examples of US-based groups and projects for nonscientists.
Climate change and the concomitant loss of biodiversity and natural resources are such enormous problems that it’s easy to give in to feelings of despair and helplessness. However, my personal story (see A Scientist’s Warning Odyssey) illustrates the difference that even one shy but determined person can make. I hope it inspires other individuals to take action before it’s too late.
World Scientists’ Warning of a Climate Emergency. In this video, Michael Mann and others explain how we can address the climate emergency through six steps: "(1) energy, eliminating fossil fuels and shifting to renewables; (2) short-lived air pollutants, slashing black carbon (soot), methane, and hydrofluorocarbons; (3) nature, restoring and permanently protecting Earth's ecosystems to store and accumulate carbon and restore biodiversity; (4) food, switching to mostly plant-based diets, reducing food waste, and improving cropping practices; (5) economy, moving from indefinite GDP growth and overconsumption by the wealthy to ecological economics and a circular economy, in which prices reflect the full environmental costs of goods and services; and (6) human population, stabilizing and gradually reducing the population by providing voluntary family planning and supporting education and rights for all girls and young women" (Ripple et al. 2021).
Our Hothouse Future? "Dr. Alison Green discusses the 1.5C controversy and ongoing climate emergency with Professor Bill McGuire, author and professor emeritus of geophysical and climate hazards at UCL." (see ScientistsWarning.TV for more videos)
Climate Leaders: Chris Rapley CBE "In this interview with Dr. Alison Green, Professor Chris Rapley CBE talks about his work as a leading climate scientist and explains why it is so important to understand the people factor in climate change (see ScientistsWarning.TV for more videos)
Prof Julia Steinberger, Ecological Economist, XR Activist, Anti-capitalist "Dr. Alison Green talks to Professor Julia Steinberger about the imminent challenges we face transforming the global economy away from its current deadly trajectory and from further climate chaos." (see ScientistsWarning.TV for more videos)